cpufreq: smartmax: Change DEFAULT_SUSPEND_IDEAL_FREQ to 594000

When power button pressed and pressed again immediately the screen get
black.
So increase DEFAULT_SUSPEND_IDEAL_FREQ to solve the problem.
cpufreq: uberdemand: Moded some options and get some features from Smartmax GOV

- Add EARLYSUSPEND support from Smartmax GOV.
- Add support DEFAULT_SUSPEND_IDEAL_FREQ  from Smartmax GOV.